Grade Six Mathematics
Answers to last week’s practice questions
This week we will continue with practice exercises. 1. Sweets are sold at 2 for $97. What is the cost of 1 dozen sweets?
Answer ______________
2. 45/6 + 31/8 + 21/4 = Answer ______________ 3. A suit which was marked $80 went on sale for $56. What was the rate of discount on the suit?
Answer ______________
4. To encourage her son Jerry to save money, Mrs Barker told him that for every $5 he saved, she would give him $2. At the end of one month, Jerry had saved $65. How much money did Mrs Barker have to give to Jerry?
Answer ______________
5. The average of 5 numbers is 85. If 4 of the numbers are 78, 47, 93 and 106, what is the fifth number?
Answer ______________ 6. A man spent 1/4 of his salary on rent, 1/5 on food, and 1/3 on miscellaneous items. What fraction of the man’s money is left?
Answer ______________
7. Share 400 marbles between two boys so that one boy gets 60 more marbles than the other. What are the two shares?
Answer ______________ 8. If the perimeter of an equilateral triangle is 51cm, what is the length of one of its sides?
Answer ______________ 9. Complete the sequence: 3/5, 5/8, 9/14
Answer ______________ 10. In the following diagram, a triangle is inside a circle. The diameter of the circle is 14cm.
What is the height of the triangle?
Answer ______________
Calculate the area of the triangle.
Answer ______________ 11. Write 7.64 as a mixed number in its lowest terms.
Answer ______________ 12. Approximate 2, 875 to the nearest thousand.
Answer ______________ 13. The incomplete table below shows the amount of money Hannah spent on a monthly basis from January to April.
In January, Hannah spent 50% more than she did in February. In March, she spent 0.25 less than what she spent in April. Using this information, complete the table. 14. (a) Calculate the mean of 60, 55 and 35.
Answer ______________ (b) If a new number is added, and the mean becomes 70, what is the new number that is added?
Answer ______________
Goodbye Boys and Girls, until next week.